ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be seen by extraterrestrials from a mammoth 12,000 lightyears away. The ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Astronomers have discovered a large Earth-like planet orbiting a distant star that could be home to alien life. The exoplanet ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

"This planet could play a pivotal role in future missions... to search for biosignatures indicating potential life, " Dr.

According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary ...

Conditions in the early universe might have enabled rocky planets with water to form much earlier than anticipated, potentially allowing life to begin sooner too. Astrophysicists studying the ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

New research suggests that life could thrive on exoplanets with unique atmospheres, expanding the definition of habitability ...